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Open in tool →Red, black and yellow on white is the loudest three-color system in print — use it when headlines are the product.
Color
#121111rgb(18, 17, 17)hsl(0, 3%, 7%)oklch(0.179 0.002 17.3)| #121111 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 18.85:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.11:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #121111 as the background.
Red, black and yellow on white is the loudest three-color system in print — use it when headlines are the product.
Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare.
Purple-and-lime is the challenger-bank uniform — high energy, and clearly not a legacy bank.
Black on bone with a whisper of gold: the runway default that lets garments carry the color.
Bronze on charcoal signals premium listings; the silver accent handles secondary detail without adding color.
Black, gold and one deep red — the prestige cosmetics counter: all restraint and a single lipstick.
Flame orange on charcoal — the sports and energy palette; one accent yellow for stats and highlights.
#121111 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #121111 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/121111-a2beb0-c859d4-1f2d2b-eaf1e9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md